diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh')
4 files changed, 468 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c new file mode 100644 index 000000000..500fff091 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c @@ -0,0 +1,142 @@ +/* Special .init and .fini section support for SH. Linuxthread version. + Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it + and/or modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + The GNU C Library is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + see <http://www.gnu.org/licenses/>. */ + +/* This file is compiled into assembly code which is then munged by a sed + script into two files: crti.s and crtn.s. + + * crti.s puts a function prologue at the beginning of the + .init and .fini sections and defines global symbols for + those addresses, so they can be called as functions. + + * crtn.s puts the corresponding function epilogues + in the .init and .fini sections. */ + +__asm__ ("\n\ +\n\ +#include \"defs.h\"\n\ +\n\ +/*@HEADER_ENDS*/\n\ +\n\ +/*@TESTS_BEGIN*/\n\ +\n\ +/*@TESTS_END*/\n\ +\n\ +/*@_init_PROLOG_BEGINS*/\n\ + .section .init\n\ + .align 5\n\ + .global _init\n\ + .type _init,@function\n\ +_init:\n\ + mov.l r12,@-r15\n\ + mov.l r14,@-r15\n\ + sts.l pr,@-r15\n\ + mova .L22,r0\n\ + mov.l .L22,r12\n\ + add r0,r12\n\ + mova .L24,r0\n\ + mov.l .L24,r1\n\ + add r0,r1\n\ + jsr @r1\n\ + nop\n\ + mova .L23,r0\n\ + mov.l .L23,r1\n\ + add r0,r1\n\ + jsr @r1\n\ + mov r15,r14\n\ + bra 1f\n\ + nop\n\ + .align 2\n\ +.L22:\n\ + .long _GLOBAL_OFFSET_TABLE_\n\ +.L23:\n\ + .long __gmon_start__@PLT\n\ +.L24:\n\ + .long __pthread_initialize_minimal@PLT\n\ +1:\n\ + ALIGN\n\ + END_INIT\n\ +\n\ +/*@_init_PROLOG_ENDS*/\n\ +\n\ +/*@_init_EPILOG_BEGINS*/\n\ + .section .init\n\ + mov r14,r15\n\ + lds.l @r15+,pr\n\ + mov.l @r15+,r14\n\ + rts \n\ + mov.l @r15+,r12\n\ + END_INIT\n\ + .section .text\n\ + .align 5\n\ + .weak __gmon_start__\n\ + .type __gmon_start__,@function\n\ +__gmon_start__:\n\ + mov.l r14,@-r15\n\ + mov r15,r14\n\ + mov r14,r15\n\ + rts \n\ + mov.l @r15+,r14\n\ + \n\ +/*@_init_EPILOG_ENDS*/\n\ +\n\ +/*@_fini_PROLOG_BEGINS*/\n\ + .section .fini\n\ + .align 5\n\ + .global _fini\n\ + .type _fini,@function\n\ +_fini:\n\ + mov.l r12,@-r15\n\ + mov.l r14,@-r15\n\ + sts.l pr,@-r15\n\ + mova .L27,r0\n\ + mov.l .L27,r12\n\ + add r0,r12\n\ + mov r15,r14\n\ + ALIGN\n\ + END_FINI\n\ + bra 1f\n\ + nop\n\ + .align 2\n\ +.L27:\n\ + .long _GLOBAL_OFFSET_TABLE_\n\ +1:\n\ +/*@_fini_PROLOG_ENDS*/\n\ +\n\ +/*@_fini_EPILOG_BEGINS*/\n\ + .section .fini\n\ + mov r14,r15\n\ + lds.l @r15+,pr\n\ + mov.l @r15+,r14\n\ + rts \n\ + mov.l @r15+,r12\n\ +\n\ + END_FINI\n\ + \n\ +/*@_fini_EPILOG_ENDS*/\n\ +\n\ +/*@TRAILER_BEGINS*/\n\ +"); diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/smp.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/smp.h new file mode 100644 index 000000000..7d8ced7d7 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/smp.h @@ -0,0 +1,23 @@ +/* Determine whether the host has multiple processors. SH version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + see <http://www.gnu.org/licenses/>. */ + +static __inline__ int +is_smp_system (void) +{ + return 0; +} diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h new file mode 100644 index 000000000..58c726b20 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h @@ -0,0 +1,226 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <tls.h> +#include <pt-machine.h> +#ifndef __ASSEMBLER__ +# include <linuxthreads/internals.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# define _IMM12 #-12 +# define _IMM16 #-16 +# define _IMP16 #16 +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .text; \ + ENTRY (name); \ + SINGLE_THREAD_P; \ + bf .Lpseudo_cancel; \ + DO_CALL (syscall_name, args); \ + mov r0,r1; \ + mov _IMM12,r2; \ + shad r2,r1; \ + not r1,r1; \ + tst r1,r1; \ + bt .Lsyscall_error; \ + bra .Lpseudo_end; \ + nop; \ + .Lpseudo_cancel: \ + sts.l pr,@-r15; \ + add _IMM16,r15; \ + SAVE_ARGS_##args; \ + CENABLE; \ + LOAD_ARGS_##args; \ + add _IMP16,r15; \ + lds.l @r15+,pr; \ + DO_CALL(syscall_name, args); \ + SYSCALL_INST_PAD; \ + sts.l pr,@-r15; \ + mov.l r0,@-r15; \ + CDISABLE; \ + mov.l @r15+,r0; \ + lds.l @r15+,pr; \ + mov r0,r1; \ + mov _IMM12,r2; \ + shad r2,r1; \ + not r1,r1; \ + tst r1,r1; \ + bf .Lpseudo_end; \ + .Lsyscall_error: \ + SYSCALL_ERROR_HANDLER; \ + .Lpseudo_end: + +# undef PSEUDO_END +# define PSEUDO_END(sym) \ + END (sym) + +# define SAVE_ARGS_0 /* Nothing. */ +# define SAVE_ARGS_1 SAVE_ARGS_0; mov.l r4,@(0,r15) +# define SAVE_ARGS_2 SAVE_ARGS_1; mov.l r5,@(4,r15) +# define SAVE_ARGS_3 SAVE_ARGS_2; mov.l r6,@(8,r15) +# define SAVE_ARGS_4 SAVE_ARGS_3; mov.l r7,@(12,r15) +# define SAVE_ARGS_5 SAVE_ARGS_4 +# define SAVE_ARGS_6 SAVE_ARGS_5 + +# define LOAD_ARGS_0 /* Nothing. */ +# define LOAD_ARGS_1 LOAD_ARGS_0; mov.l @(0,r15),r4 +# define LOAD_ARGS_2 LOAD_ARGS_1; mov.l @(4,r15),r5 +# define LOAD_ARGS_3 LOAD_ARGS_2; mov.l @(8,r15),r6 +# define LOAD_ARGS_4 LOAD_ARGS_3; mov.l @(12,r15),r7 +# define LOAD_ARGS_5 LOAD_ARGS_4 +# define LOAD_ARGS_6 LOAD_ARGS_5 + +# ifdef IS_IN_libpthread +# define __local_enable_asynccancel __pthread_enable_asynccancel +# define __local_disable_asynccancel __pthread_disable_asynccancel +# define __local_multiple_threads __pthread_multiple_threads +# elif !defined NOT_IN_libc +# define __local_enable_asynccancel __libc_enable_asynccancel +# define __local_disable_asynccancel __libc_disable_asynccancel +# define __local_multiple_threads __libc_multiple_threads +# else +# define __local_enable_asynccancel __librt_enable_asynccancel +# define __local_disable_asynccancel __librt_disable_asynccancel +# define __local_multiple_threads __librt_multiple_threads +# endif + +# if defined IS_IN_librt && defined __PIC__ +# define CENABLE \ + mov.l r12,@-r15; \ + mov.l 1f,r12; \ + mova 1f,r0; \ + add r0,r12; \ + mov.l 2f,r0; \ + bsrf r0; \ + nop; \ + 0: bra 3f; \ + mov r0,r2; \ + .align 2; \ + 1: .long _GLOBAL_OFFSET_TABLE_; \ + 2: .long __local_enable_asynccancel@PLT - (0b-.); \ + 3: mov.l @r15+,r12 + +# define CDISABLE \ + mov.l r12,@-r15; \ + mov.l 1f,r12; \ + mova 1f,r0; \ + add r0,r12; \ + mov.l 2f,r0; \ + bsrf r0; \ + mov r2,r4; \ + 0: bra 3f; \ + nop; \ + .align 2; \ + 1: .long _GLOBAL_OFFSET_TABLE_; \ + 2: .long __local_disable_asynccancel@PLT - (0b-.); \ + 3: mov.l @r15+,r12 +# else +# define CENABLE \ + mov.l 1f,r0; \ + bsrf r0; \ + nop; \ + 0: bra 2f; \ + mov r0,r2; \ + .align 2; \ + 1: .long __local_enable_asynccancel - 0b; \ + 2: + +# define CDISABLE \ + mov.l 1f,r0; \ + bsrf r0; \ + mov r2,r4; \ + 0: bra 2f; \ + nop; \ + .align 2; \ + 1: .long __local_disable_asynccancel - 0b; \ + 2: +# endif + +# ifndef __ASSEMBLER__ +# if defined FLOATING_STACKS && defined __UCLIBC_HAS_TLS__ && defined __PIC__ +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, p_multiple_threads) == 0, 1) +# else +extern int __local_multiple_threads attribute_hidden; +# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1) +# endif +# else +# if !defined __PIC__ +# define SINGLE_THREAD_P \ + mov.l 1f,r0; \ + mov.l @r0,r0; \ + bra 2f; \ + tst r0,r0; \ + .align 2; \ + 1: .long __local_multiple_threads; \ + 2: +# elif defined FLOATING_STACKS && defined __UCLIBC_HAS_TLS__ +# define SINGLE_THREAD_P \ + stc gbr,r0; \ + mov.w 0f,r1; \ + sub r1,r0; \ + mov.l @(MULTIPLE_THREADS_OFFSET,r0),r0; \ + bra 1f; \ + tst r0,r0; \ + 0: .word TLS_PRE_TCB_SIZE; \ + 1: + +# else +# if !defined NOT_IN_libc || defined IS_IN_libpthread +# define SINGLE_THREAD_P \ + mov r12,r2; \ + mov.l 0f,r12; \ + mova 0f,r0; \ + add r0,r12; \ + mov.l 1f,r0; \ + mov.l @(r0,r12),r0; \ + mov r2,r12; \ + bra 2f; \ + tst r0,r0; \ + .align 2; \ + 0: .long _GLOBAL_OFFSET_TABLE_; \ + 1: .long __local_multiple_threads@GOTOFF; \ + 2: +# else +# define SINGLE_THREAD_P \ + mov r12,r2; \ + mov.l 0f,r12; \ + mova 0f,r0; \ + add r0,r12; \ + mov.l 1f,r0; \ + mov.l @(r0,r12),r0; \ + mov.l @r0,r0; \ + mov r2,r12; \ + bra 2f; \ + tst r0,r0; \ + .align 2; \ + 0: .long _GLOBAL_OFFSET_TABLE_; \ + 1: .long __local_multiple_threads@GOT; \ + 2: +# endif +# endif +# endif + +#elif !defined __ASSEMBLER__ + +/* This code should never be used but we define it anyhow. */ +# define SINGLE_THREAD_P (1) + +#endif diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/vfork.S b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/vfork.S new file mode 100644 index 000000000..90733119e --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sh/vfork.S @@ -0,0 +1,77 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep-cancel.h> +#define _ERRNO_H 1 +#include <bits/errno.h> +#include <sys/syscall.h> + +/* Clone the calling process, but without copying the whole address space. + The calling process is suspended until the new process exits or is + replaced by a call to `execve'. Return -1 for errors, 0 to the new process, + and the process ID of the new process to the old process. */ + +ENTRY (__vfork) +#ifdef SHARED + mov.l .Lgot, r1 + mova .Lgot, r0 + add r0, r1 + mov.l .Lpthread_func, r0 + mov.l @(r0,r1), r0 +#else + mov.l .Lpthread_create, r0 +#endif + tst r0, r0 + bf .Lhidden_fork + + mov.w .L1, r3 + trapa #__SH_SYSCALL_TRAP_BASE + mov r0, r1 + mov #-12, r2 + shad r2, r1 + not r1, r1 /* r1=0 means r0 = -1 to -4095 */ + tst r1, r1 /* i.e. error in linux */ + bf .Lpseudo_end + SYSCALL_ERROR_HANDLER +.Lpseudo_end: + rts + nop +.L1: .word __NR_vfork + .align 2 +#ifdef SHARED +.Lgot: + .long _GLOBAL_OFFSET_TABLE_ +.Lpthread_func: + .long __libc_pthread_functions@GOTOFF +#else +.Lpthread_create: + .weak pthread_create + .long pthread_create +#endif + +.Lhidden_fork: + mov.l .L2, r1 + braf r1 + nop +1: + .align 2 +.L2: .long HIDDEN_JUMPTARGET(fork)-1b + +PSEUDO_END (__vfork) +libc_hidden_def (__vfork) + +weak_alias (__vfork, vfork) |